Grease alums Olivia Newton-John and John Travolta recently teamed up for a holiday duet (and music video) that’s getting a LOT of buzz.

So now, straight from “Sandy” herself, see what Olivia is saying about their collaboration on “I Think You Might Like It,” which became one of the most-watched videos of the year!

Whose idea was it to reunite?

“It was John's idea- I sent him a text last Christmas to say Merry Christmas and tell him that 'You're the One That I Want’ had been named the most successful duet in history! That text inspired him to text back to me "let's do a Christmas song together."

Who had the vision for the video?

“I suggested we do a video and John agreed... and we funded it ourselves. We followed the story of the lyrics - like watching 'It's a Wonderful Life" and of course we did a "tip of the hat" to Grease."